Aero 5.56 16" Mid upper Listing ID: 3088589

I have an excellent condition used Aero M4 upper with midlength gas system. Aero split A receiver. 1/7 5.56mm barrel. Has the original 15" Mlok handguad no BCG. $180 or can ship on your dime. Can meet in Dallas or Grandprairie

Two14326-zero975